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12.3.4
Signals
PID-3511-INPUTSIGNALS v6
Table 260:
ZCLCPSCH Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Group signal for current input
BLOCK
BOOLEAN
0
Block of function
ARREADY
BOOLEAN
0
Autoreclosure ready, releases function used for
fast trip
NDST
BOOLEAN
0
Non directional criteria used to prevent
instantaneous trip
EXACC
BOOLEAN
0
Connected to function used for tripping at zone
extension
BC
BOOLEAN
0
Breaker Close
LLACC
BOOLEAN
0
Connected to function used for tripping at loss of
load
PID-3511-OUTPUTSIGNALS v6
Table 261:
ZCLCPSCH Output signals
Name
Type
Description
TRZE
BOOLEAN
Trip by zone extension
TRLL
BOOLEAN
Trip by loss of load
12.3.5
Settings
PID-3511-SETTINGS v7
Table 262:
ZCLCPSCH Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
LoadCurr
1 - 100
%IB
1
10
Load current before disturbance in % of
IBase
LossOfLoad
Off
On
-
-
Off
Enable/Disable operation of Loss of
load.
ZoneExtension
Off
On
-
-
Off
Enable/Disable operation of Zone
extension
MinCurr
1 - 100
%IB
1
5
Lev taken as curr loss due to remote CB
trip in % of IBase
tLowCurr
0.000 - 60.000
s
0.001
0.200
Time delay on pick-up for MINCURR
value
tLoadOn
0.000 - 60.000
s
0.001
0.000
Time delay on pick-up for load current
release
tLoadOff
0.000 - 60.000
s
0.001
0.300
Time delay on drop off for load current
release
1MRK 506 382-UEN A
Section 12
Scheme communication
Line distance protection REL650 2.2 IEC
447
Technical manual
Содержание RELION 650 SERIES
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